#include <iostream>

using namespace std;

double catalan(int n) {
    double temp = 0;
    if (n == 0 ||n ==1)
        temp = 1;
    else
        temp = catalan(n - 1) * (4 * n - 2) / (n + 1);
    return temp;
}

int main() {
    for (int i = 0; i < 100; i++)
        cout << catalan(i) << endl;
    return 0;
}